industries. In 1993, he retired as vice president of General Motors Corp., where he was in charge of the North American Operations Research and Development Center. Frosch holds as Ph.D. in theoretical physics from Columbia University. After doing research in underwater sound and ocean acoustics, he served for a dozen years in a number of government positions, including deputy director of Advanced Research Projects Agency of the Department of Defense, assistant secretary of the Navy for research and development, assistant executive director of the United Nations Environment Program, and administrator of the National Aeronautics and Space Administration. Frosch is a member of the National Academy of Engineering.

SUKEHIRO GOTOH is the director of the Social and Environmental Systems Division at the National Institute for Environmental Studies (NIES), the research arm of the Japan Environment Agency. Gotoh became an assistant professor in the Sanitary Engineering Department, Kyoto University, in 1972. From 1973 to 1974, he served as an assistant R&D project manager at the Agency of Industrial Science and Technology, Ministry of International Trade and Industry, where he was in charge of the initiation phase of the National R&D Project of Recycling Technology (later known as the "Stardust 80" government project). In 1975, he joined the newly created NIES research center as a senior research officer. He has worked for NIES since then. In 1990, Gotoh served as a member and chairman of several Japanese government committees and councils. He received B.S. and M.S. degrees in applied chemistry from Maseda University in Tokyo and a Ph.D. in chemical engineering from the University of Wisconsin-Madison.

HENNING GRANN is an environmental staff engineer with Statoil in Germany. Since 1958, he has served in various capacities at several petrochemical companies (Caltex, Shell Oil, Esso, and Statoil) in various locations (Netherlands, Canada, Denmark, United Kingdom, Norway, and Germany). Grann received an M.S. in chemical engineering from the Technical University of Denmark.

JAMES HALL is an author in Ciba's Corporate Toxicology, Auditing, and Regulatory Compliance Department. Hall has a B.A. in biology from Lehigh University and an M.B.A. from Widener University. He has over 20 years of diversified experience in the fields of health, safety, environmental control, and production management in the chemical processing industry.

INGE HORKEBY is manager of environmental protection at the Volvo Corp. Horkeby joined Volvo in 1974 and, in various positions in the company's technological development department, has researched surface coating areas and had responsibility for paint systems. Since 1988, he has been responsible for the environmental chemistry aspects of environmental protection, including the health and environmental aspects of all chemical products intended for the Volvo Group Companies, and for environmental technology research. Horkeby has an M.S. from the School of Chemical Engineering, Chalmers University of Technology, Göteborg, Sweden.

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